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Element Coordinates and the Utility in Large Displacement Analysis of a Space Frame

K. Ijima1, H. Obiya1, S. Iguchi2, S. Goto2

Saga University, Saga, Japan
Forum 8 Co., Ltd., Miyazaki, Japan

Computer Modeling in Engineering & Sciences 2003, 4(2), 239-248. https://doi.org/10.3970/cmes.2003.004.239

Abstract

Defining element coordinates in space frame, element end deformations become statically clear from the energy principle. Therefore, the deformations can be expressed by nodal displacement without any approximation. The paper indicates that the exact expressions of the deformations and the geometrical stiffness strictly based on the equations makes large displacement analysis of space frame possible with robustness on the computation.

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Ijima, K., Obiya, H., Iguchi, S., Goto, S. (2003). Element Coordinates and the Utility in Large Displacement Analysis of a Space Frame. CMES-Computer Modeling in Engineering & Sciences, 4(2), 239–248.



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